Free update to the PS3 and PS Vita game introduces RETRO+ and Prototype Version graphics modes.
Retro City Rampage arrives with Cross-Buy and Cross-Save support.
Cross-Buy means you can play on both systems with just one purchase.
Coming to Euro PSN for PS3 and Vita now more than two weeks later.
The last month has been spent working on a game update.
8-bit action game heading to WiiWare and Xbox LIVE Arcade later this year.
Retro City Rampage, an overhead action game which shares many similarities to the classic Grand Theft Auto titles, has been confirmed for release on PlayStation 3 and PS Vita.